Document Details

2024

Ali M. Abd-El-Tawwab

Tags

vehicle dynamics engineering mechanical engineering automobile engineering

Summary

This document covers the study of vehicle dynamics, focusing on ride comfort, handling stability, and various vibrational aspects. Concepts like suspension systems, vehicle vibration, and vehicle dimensions are explored.

Full Transcript

Vehicle Dynamic-1 by Prof. Dr. Ali M. Abd-El-Tawwab 2024 Vehicle Dynamic Dr. Ali Abd-El-Tawwab Vehicle Dynamic Vehicle dynamic :- Ride Comfort Handling (body attitude vehicle stability) Vehicle Dynamic...

Vehicle Dynamic-1 by Prof. Dr. Ali M. Abd-El-Tawwab 2024 Vehicle Dynamic Dr. Ali Abd-El-Tawwab Vehicle Dynamic Vehicle dynamic :- Ride Comfort Handling (body attitude vehicle stability) Vehicle Dynamic Dr. Ali Abd-El-Tawwab Vehicle Dynamic Dr. Ali Abd-El-Tawwab Vehicle Dynamic Dr. Ali Abd-El-Tawwab Vehicle dynamic Vehicle dynamic study Ride comfort study depended on :- Dynamic, speeding up, braking and cornering Road input surface roughness Types and component of suspension system Human response to vibration Ride modeling Suspension control Handling tyre properties – handling models Vehicle Dynamic Dr. Ali Abd-El-Tawwab Vehicle Dynamic Vehicle axis to describe vehicle motion Longitudinal axle (roll angle) Lateral axle (pitch angle) Vertical axle (yaw angle) The axis system used to describe tyre motion Force and moment in three direction on tyre Ackermann steer angle=tan-1(L/R) L=wheel base , R=vehicle radius during turning Vehicle Dynamic Dr. Ali Abd-El-Tawwab Vehicle vibration Cycle Frequency Time of period Natural of frequency Damping frequency Free vibration Forced vibration Vehicle Dynamic Dr. Ali Abd-El-Tawwab Vehicle vibration model design Road surface input Sprung mass Unsprung mass Resonance Damping coefficient Stiffness coefficient Degree of freedom (Single-two multi degree of freedom) Moment of inertia Equivalent spring constant(Parallel and series springs) Dr. Ali Abd-El-Tawwab Vehicle dimensions Wheel base Wheel track C.g. dimensions Healing dimension Tyre radius Damper position Vehicle Dynamic Dr. Ali Abd-El-Tawwab

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